STATE OF CALIFORNIA--BUSINESS,TRANSPORTACTION AND HOUSING AGENCY Arnold Schwarzenegger, Governor DEPARTMENT OF TRANSPORTATION DIVISION OF ENGINEERING SERVICES Office of Structural Materials Quality Assurance and Source Inspection Bay Area Branch 690 Walnut Ave.St. 150 Vallejo, CA 94592-1133 (707) 649-5453 (707) 649-5493 Contract #: 04-0120F4 Cty: SF/ALA Rte: 80 PM: 13.2/13.9 File #: 69.25B QUALITY ASSURANCE -- NON-CONFORMANCE REPORT Location: Changxing Island, Shanghai, P.R. China Report No: NCR-000786 Prime Contractor: American Bridge/Fluor Enterprises, a JV Date: 05-Jul-2010 Submitting Contractor: Zhenhua Port Machinery Company, Ltd (ZPMC), Changxing Island NCR #: ZPMC-0748 Type of problem: Welding Concrete Other Welding Curing Procedural Bridge No: 34-0006 Joint fit-up Coating Other Component: A325 High Strength Bolts (M24x65) Procedural Procedural Description: Reference Description: The Contractor used a Skidmore calibrator with an expired calibration date in verifying M24x65 bolts Description of Non-Conformance: During the Quality Assurance (QA) Pre-Installation Verification of Required Tension for M24x65 high strength bolts, this QA Inspector discovered the following issues: -The Skidmore-Wilhelm Bolt Tension Calibrator Model HT Serial Number (SN) 1015 calibration date had expired, and was being used by the Contractor in verifying M24x65 bolts (Lot number DHGM240013 and DHGM240002). -Valid period of calibration are from June 4, 2009 through June 4, 2010. -Calibration dates are displayed on the Bolt Tension Calibrator. TL-15,Quality Assurance -- Non-Conformance Report Page 1 of 2
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QUALITY ASSURANCE -- NON-CONFORMANCE REPORT€¦ · The attached Non-Conformance Report ... Propose a resolution for the identified non-conformance with ... certification to the Department
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STATE OF CALIFORNIA--BUSINESS,TRANSPORTACTION AND HOUSING AGENCY Arnold Schwarzenegger, Governor
DEPARTMENT OF TRANSPORTATIONDIVISION OF ENGINEERING SERVICESOffice of Structural MaterialsQuality Assurance and Source Inspection
Bay Area Branch690 Walnut Ave.St. 150Vallejo, CA 94592-1133(707) 649-5453(707) 649-5493
Contract #: 04-0120F4
Cty: SF/ALA Rte: 80 PM: 13.2/13.9
File #: 69.25B
QUALITY ASSURANCE -- NON-CONFORMANCE REPORTLocation: Changxing Island, Shanghai, P.R. China Report No: NCR-000786Prime Contractor: American Bridge/Fluor Enterprises, a JV Date: 05-Jul-2010Submitting Contractor: Zhenhua Port Machinery Company, Ltd (ZPMC), Changxing Island NCR #: ZPMC-0748
Type of problem:
Welding Concrete OtherWelding Curing Procedural Bridge No: 34-0006Joint fit-up Coating Other Component:A325 High Strength Bolts (M24x65)Procedural Procedural Description:Reference Description: The Contractor used a Skidmore calibrator with an expired calibration date in
verifying M24x65 boltsDescription of Non-Conformance:During the Quality Assurance (QA) Pre-Installation Verification of Required Tension for M24x65 high strength bolts, this QA Inspector discovered the following issues:-The Skidmore-Wilhelm Bolt Tension Calibrator Model HT Serial Number (SN) 1015 calibration date had expired, and was being used by the Contractor in verifying M24x65 bolts (Lot number DHGM240013 and DHGM240002).-Valid period of calibration are from June 4, 2009 through June 4, 2010.-Calibration dates are displayed on the Bolt Tension Calibrator.
TL-15,Quality Assurance -- Non-Conformance Report Page 1 of 2
QUALITY ASSURANCE -- NON-CONFORMANCE REPORT( Continued Page 2 of )2
Applicable reference:Standard Specification Section 55-3.14 Bolted Connections – “Bolt tension measuring devices and calibrated wrenches shall be calibrated within one year prior to first being used on the job, and a minimum of once each year thereafter. This calibration shall be done by a qualified independent laboratory or authorized warranty repair and calibration center recognized by the tool manufacturer.”Who discovered the problem: Dan HernandezName of individual from Contractor notified: David WuTime and method of notification: 1530 hours, 07-05-10, verbalName of Caltrans Engineer notified: Aaron PrchlikTime and method of notification: 0700 hours, 07-06-10, verbalQC Inspector's Name: Lay TaoWas QC Inspector aware of the problem: Yes NoContractor's proposal to correct the problem:N/AComments:This report is for the purpose of determining conformance with the contract documents and is not for the purpose of making repair or fit for purpose recommendations. Should you require recommendations concerning repairs or remedial efforts please contact Mazen Wahbeh, +(86) 134.7247.7571, who represents the Office of Structural Materials for your project.
Reference Resolution: ZPMC will send the Skidmore to a nationally accredited laboratory for calibration certification and provide the
certification to the Department when available to close this NCR.
ZPMC will send the Skidmore to a nationally accredited laboratory for calibration certification and provide the certification to the Department when available to close this NCR. Based on this proposed course of action, ZPMC requests that this NCR be approved with action pending.
Submitted by: Ishibashi, Joshua
Attachment(s): ABF-NPR-000790R00
Caltrans' comments:
ZPMC needs to provide certification to skidmore after calibration.
Reference Resolution: ZPMC has performed tension verification again of the bolts identified in the NCR with a Skidmore with a calibration
date within tolerance and found the results to be acceptable
ZPMC has performed tension verification again of the bolts identified in the NCR with a Skidmore with a calibration date within tolerance and found the results to be acceptable. Based on this ZPMC requests closure of this NCR.
Submitted by: Ishibashi, Joshua
Attachment(s): ABF-NPR-000790R01;
Caltrans' comments:
The proposed resolution is acceptable. This NCR is closed.
Status: CLO
Date: 27-Oct-2010
Submitted by: Woo, Laraine Date: 27-Oct-2010
Attachment(s):
Page 1 of 1
STATE OF CALIFORNIA--BUSINESS,TRANSPORTACTION AND HOUSING AGENCY Arnold Schwarzenegger, Governor
DEPARTMENT OF TRANSPORTATIONDIVISION OF ENGINEERING SERVICESOffice of Structural MaterialsQuality Assurance and Source Inspection
Bay Area Branch690 Walnut Ave.St. 150Vallejo, CA 94592-1133(707) 649-5453(707) 649-5493
Contract #: 04-0120F4
Cty: SF/ALA Rte: 80 PM: 13.2/13.9
File #: xx.25A
QUALITY ASSURANCE -- NON-CONFORMANCE RESOLUTIONLocation: Changxing Island, Shanghai, P.R. China Report No: NCS-000852Prime Contractor: American Bridge/Fluor Enterprises, a JV Date: 25-Oct-2010Submitting Contractor: Zhenhua Port Machinery Company, Ltd (ZPMC), Changxing IslandNCR #: ZPMC-0748
Type of problem:
Welding Concrete OtherWelding Curing Procedural Bridge No: 34-0006Joint fit-up Coating Other Component:Procedural Procedural Descripton:Date the Non-Conformance Report was written: 05-Jul-2010Description of Non-Conformance:During the Quality Assurance (QA) Pre-Installation Verification of Required Tension for M24x65 high strength bolts, this QA Inspector discovered the following issues:-The Skidmore-Wilhelm Bolt Tension Calibrator Model HT Serial Number (SN) 1015 calibration date had expired, and was being used by the Contractor in verifying M24x65 bolts (Lot number DHGM240013 and DHGM240002).-Valid period of calibration are from June 4, 2009 through June 4, 2010.-Calibration dates are displayed on the Bolt Tension Calibrator.Contractor's proposal to correct the problem:Contractor will perform the tension verification of the bolts to prove the bolts with Skidmore with calibration date is within tolerance and acceptable.Corrective action taken:Contractor resolved the issue by using another calibrated skidmore and provided acceptable testing result.Did corrective action require Engineer's approval? Yes NoIf so, name of Engineer providing approval: Date:Is Engineer's approval attached? Yes NoComments:This report is for the purpose of determining conformance with the contract documents and is not for the purpose of making repair or fit for purpose recommendations. Should you require recommendations concerning repairs or remedial efforts please contact Wahbeh, Mazen 818-292-0659, who represents the Office of Structural Materials for your project.